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SOHC.co.uk Forums => CB750 => Topic started by: RGP750 on November 02, 2014, 09:29:22 PM

Title: 69/70 rear mudguard
Post by: RGP750 on November 02, 2014, 09:29:22 PM
Can anyone please lend me a rear mudguard for a couple of days,i want to make
a former to straighten out a guard i have bought with a few dents in it.
condition doesen't matter as long as it's straight.
happy to pay any costs incurred.
Thanks Rich
Title: Re: 69/70 rear mudguard
Post by: Trigger on November 02, 2014, 09:59:05 PM
I have a few mudguards but, there was 5 different types of mudguards for those years. 
Title: Re: 69/70 rear mudguard
Post by: JamesH on November 02, 2014, 10:09:11 PM
Hi rich - I have one you're welcome to borrow..in fact I've got two, the other one needs straightening as well ;-)...how about I send you both and you can send back two straight ones?
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 02, 2014, 10:19:35 PM
Hi James sounds like a plan.
Mine is going away tomorrow to have the chrome stripped so i can straighten it
 (hopefully, not done one before for chroming again) but as i have said in other posts i'll have
 a go at anything and don't like being beaten.
You have my work address i think.
Trig i haven't forgotten photos just mad again today, i assume the 5 differences are small.
Rich
Title: Re: 69/70 rear mudguard
Post by: Trigger on November 02, 2014, 10:23:07 PM
Rich, no rush. 3 of the differences will be the 3 different tail brackets. I have no clue on the other 2.
Title: Re: 69/70 rear mudguard
Post by: JamesH on November 02, 2014, 10:31:02 PM
Hi James sounds like a plan.
Mine is going away tomorrow to have the chrome stripped so i can straighten it
 (hopefully, not done one before for chroming again) but as i have said in other posts i'll have
 a go at anything and don't like being beaten.
You have my work address i think.
Trig i haven't forgotten photos just mad again today, i assume the 5 differences are small.
Rich

OK cool will get them packaged in the next few days and sent to your work address...
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 06:33:33 AM
thanks guys
Title: Re: 69/70 rear mudguard
Post by: AshimotoK0 on November 03, 2014, 07:36:24 AM
thanks guys

The mega rare K0 one is the UK version (oval C50 style rear lamp) , now that is rarer than rare !! The 341 US version is very, very  similar and the tail lamp bracket fits perfectly in the fixing points but it means that the UK style number plate  bracket and hence number plate is inclined at a slightly different angle. I have a perfect one of these and Jock (bobthebuilder on here) used one of these too on his 'Scottish' one owner UK resto. The other difference in the 341 version is it has a extra hole with a conical rubber bung in it for the US number plate cushioning. 550/4 US one (don't know which model ) is similar too but the  cable 'tunneling' on the underside is different. Going to cover that hole up on mine with a little chrome label ' Restored by 'Ashimoto' sticker  :D They are also stamped on the front under the seat bit with '341'. I persuaded Eric in Vietnam to produce 750 rear fenders with no drillings for the tail-light bracket  in 2011 plus he offered to make me one with tapped fittings as per the UK market but, at the time I wasn't happy with the repro quality / chroming and the 341 Genuine part was a better bet. I do have a Genuine UK one, if anyone ever need a pattern to  copy. It looked absolutely fine until Quality Chrome got their mitts on it.

Ash
Title: Re: 69/70 rear mudguard
Post by: UK Pete on November 03, 2014, 09:05:16 AM
The two hole US one is bloody hard to get as well, plenty of 3 hole ones on ebay,  k0 mick told me how rare the UK ones are, do yamiya do them?
pete
Title: Re: 69/70 rear mudguard
Post by: JamesH on November 03, 2014, 10:01:07 AM
Can someone post a picture of a 2 hole just so I can check 100% what I'm sending Rich pls...
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 10:19:34 AM
Attached are photos of what i have ,hope it's the right one.
also attached first master model of short chain guard.
Title: Re: 69/70 rear mudguard
Post by: JamesH on November 03, 2014, 11:34:05 AM
Great work on that short chain guard Rich. Crickey you don't hang about...
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 12:33:33 PM
Saturday job, just told 'er in doors i couldn't go shopping meeting a customer ;D ;D ;D
Title: Re: 69/70 rear mudguard
Post by: UK Pete on November 03, 2014, 01:38:25 PM
Oh dear rich you have got the sohc bug fella, great work on the chain guard, put me in the que for buying one from you if your making more
pete
Title: Re: 69/70 rear mudguard
Post by: JamesH on November 03, 2014, 01:45:51 PM
I'll be in the que as well Rich :-)...
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 01:46:45 PM
Chain guard is first model to make
production tool from,so be a couple of weeks or so
before the first ones are done.
I would like comments from ,what appears to be the 3 main k0 gurus
before selling these if that's ok guys.
As i have said before these any anything else i make have to be indistinguishable
from originals before i sell 'em
The first for appraisal will come to you then Pete
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 01:47:53 PM
looks like James is second ;D
Title: Re: 69/70 rear mudguard
Post by: UK Pete on November 03, 2014, 02:19:20 PM
Ok rich, i will get a second opinion off my trusty assistant, you can see him at work inspecting some sandcast bits, note the marker pen to his right, he usually takes notes on his findings
pete
(http://cb750sandcastonly.com/coppermine/albums/userpics/10004/002~6.JPG)
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 02:20:20 PM
 ;D ;D ;D ;D ;D ;D love it
Title: Re: 69/70 rear mudguard
Post by: AshimotoK0 on November 03, 2014, 02:29:34 PM
Like to looks of that chainguard  Rich. Put me down for buying one, once you have the time.

Another thing I am looking for is a source of a fair few of  the rubber ''D shaped grommet that is on the points lead on both the 4's and the 250/350K twins.

Agree with J ... you certainly don't hang about !!

Cheers ... Ash
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 03:24:21 PM
Hi Ash
Have you got an original d ring i can borrow,?
When i get my teeth into something i'm like a dog with a bone.
Have i got the right mudguard (start of thread)?
no stampings anywhere i can see.
Rich
Title: Re: 69/70 rear mudguard
Post by: AshimotoK0 on November 03, 2014, 04:18:54 PM
Hi Ash
Have you got an original d ring i can borrow,?
When i get my teeth into something i'm like a dog with a bone.
Have i got the right mudguard (start of thread)?
no stampings anywhere i can see.
Rich

Yes will get hold of one.

The USA rear guard has completely different mounting holes to the UK one.

Cheers ...Ash
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 04:47:31 PM
Do you think mine is UK or USA?
Do you mean the Mudguard/ frame mounting holes?
Title: Re: 69/70 rear mudguard
Post by: UK Pete on November 03, 2014, 04:56:16 PM
The USA sandcast/ K0 rear guard has two mounting holes a cable entry hole above, and a rubber gromit hole at the bottom
this is a 1969 two hole
(http://cb750sandcastonly.com/coppermine/albums/userpics/10004/058.JPG)
(http://cb750sandcastonly.com/coppermine/albums/userpics/10004/060.JPG)

The later guard which superceeds the two hole is the 3 hole
Here is the one coastguard is selling on ebay
(http://cb750sandcastonly.com/coppermine/albums/userpics/10004/rear_guard.JPG)
Title: Re: 69/70 rear mudguard
Post by: AshimotoK0 on November 03, 2014, 05:04:48 PM
Yours is a US import Rich and mine is a UK bike so not the same, and I have never owned one, so Pete/James are your mentors on that one.

Cheers ... ash
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 05:16:51 PM
That's good thanks guys i have the right one, all i need to do now
is straighten it out.
Title: Re: 69/70 rear mudguard
Post by: hairygit on November 03, 2014, 05:25:43 PM
I seem to remember reading in the CB750 superprofile book that only 36 KO's were sold in Britain, no wonder U.K. versions are so hard to find! Anyone know how many sandcasts were sold here?

Sent from my GT-S5839i using Tapatalk 2

Title: Re: 69/70 rear mudguard
Post by: UK Pete on November 03, 2014, 05:29:28 PM
Steff's  got half the remaining uk ones lol
pete
Title: Re: 69/70 rear mudguard
Post by: hairygit on November 03, 2014, 05:44:34 PM
My daughter has a rabbit just like yours Pete, she calls it Flopsy, but I call it Pie! It serves no useful purpose unlike yours though, just like it's hutchmates, Stew, Casserole and Pasty, at least our hens Tikka and Vindaloo produce eggs>:D

Sent from my GT-S5839i using Tapatalk 2

Title: Re: 69/70 rear mudguard
Post by: Trigger on November 03, 2014, 06:17:54 PM
1 sandcast was sold to another lord who owns a racecourse in Towcester and made his own bikes beginning with "H".
Title: Re: 69/70 rear mudguard
Post by: UK Pete on November 03, 2014, 06:20:58 PM
My daughter has a rabbit just like yours Pete, she calls it Flopsy, but I call it Pie! It serves no useful purpose unlike yours though, just like it's hutchmates, Stew, Casserole and Pasty, at least our hens Tikka and Vindaloo produce eggs>:D

Sent from my GT-S5839i using Tapatalk 2

Thats a good looking rabbit Hairy git, looks like my one (who's name is stinker) when he was young, he is quite old now but still taking an active role in my restorations, you can see below he has just finished laying out my k0 fork components, ready for assembly
pete

(http://cb750sandcastonly.com/coppermine/albums/userpics/10004/010~5.JPG)
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 03, 2014, 06:42:12 PM
He made a good job of the fork lowers, i suppose that's where the soft coat comes in handy ;D
Title: Re: 69/70 rear mudguard
Post by: steff750 on November 03, 2014, 06:49:07 PM
Quote
Steff's  got half the remaining UK ones lol
;) i wish Pete i could live quite nicely if i did.
i was talking to a old biking mate in work today,he said there was a monkey bike on the internet for sale at £150k it was once owned by a beetle ,my monkey bike has a spider living in it ill take £5k for mine any day   lol

Quote
Anyone know how many sandcasts were sold here?

@ hairygit
                 id say none ,not until the yanks decided they was collectable i would be very surprised if any came over at all before the eighties , i had never heard of the term sandcast not until well into the eighties

@ ash
         i don't think lord denbigh knew or cared what model he had at the time, just that he had to have it ,he was high up in the FIM then so i bet he called in a few favours to get it , this is all hindside just like the terms k0 and sandcast
as you said in a earlier post ash probably only twenty CB750's came to the UK at first and probably in very small numbers there after , for whatever reason the japs never wanted us to have the early bikes probably too small a market here anyways the first UK bikes frame number is in the parts list so the japs knew exactly when we was gonna have them and not before lol .
all the CB750's I've seen in wales are not earlier than j reg meaning registered later than august 1970 where as i have English and Irish CB750's which come under the h reg plate and registered before august 1970   ::)   time to take the anorak off  cheers guys
Title: Re: 69/70 rear mudguard
Post by: Bitsa (Ralph Wright - RIP) on November 03, 2014, 06:49:13 PM
Nice one Rich better than a shoe shiner ;D ;D
Cheers
Bitsa
Title: Re: 69/70 rear mudguard
Post by: JamesH on November 05, 2014, 06:10:16 PM
Rich - I've got the guards ready to box up this evening and post out tomorrow. Should be with you Friday / Monday at the latest. J
Title: Re: 69/70 rear mudguard
Post by: RGP750 on November 05, 2014, 06:51:58 PM
Thanks James ,did you want to put the carb plate in as well?
My bike is due between 11 and 1 tomorrow at last.
photos on tomorrow night.
Rich
Title: Re: 69/70 rear mudguard
Post by: UK Pete on November 05, 2014, 08:03:55 PM
Exciting times rich, i look forward to seeing your bike and what you do to it
pete
Title: Re: 69/70 rear mudguard
Post by: AshimotoK0 on November 05, 2014, 08:06:43 PM
Exciting times rich, i look forward to seeing your bike and what you do to it
pete

Yes  good look mate you certainly have the bug !
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